John Herschel
1839
View of the telescope at Slough

Photogenic drawing
Museum of the History of Science
Inventory No: 32127, Herschel's Photographic Experiments
 
At the time that this was taken, Sir William Herschel's 40-foot telescope was already a famous astronomical symbol, although it was being demolished - hence the absence of the telescope's tube.
 
LL/39610